
  #include "math.h"
  #include "stdio.h"
  #include "9fpqg.c"
  main()
  { double a,b,eps,s,fpqgf(double);
    a=0.0; b=4.3; eps=0.000001;
    s=fpqg(a,b,eps,fpqgf);
    printf("\n");
    printf("s=%13.5e\n",s);
    printf("\n");
  }

  double fpqgf(x)
  double x;
  { double y;
    y=exp(-x*x);
    return(y);
  }

